---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-043859"
form_type: "8-K/A"
ticker: "PESI"
cik: "0000891532"
company_name: "PERMA FIX ENVIRONMENTAL SERVICES INC"
filed_at: "2026-09-23T15:52:59+00:00"
generated_at: "2026-09-23T15:54:08.492103+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Perma-Fix amends 8-K to revise 2026 DFLAW revenue estimates on slides 9 and 16

## Summary
- Amends Sept 22 8-K after investor inquiries; September 2026 investor presentation revised.
- Slide 9 keeps DOE estimate of 8,000 cubic meters annual effluent; ~$70M annual DFLAW revenue at full operation.
- Slide 16: combined DFLAW waste ~4,000 cubic meters; ~$35M annual revenue assuming 50% of production in 2027.
- 200 East lines combined; initial amount revised to ~$28.8M; 2028 illustrative run rate ~$97.4M.
- EMF effluent is a component of, not additive to, combined DFLAW amount; DOE has not revised its estimate.

## SEC filing metadata
- accession: 0001493152-26-043859
- form_type: 8-K/A
- ticker: PESI
- cik: 0000891532
- company_name: PERMA FIX ENVIRONMENTAL SERVICES INC
- filed_at: 2026-09-23T15:52:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/891532/000149315226043859/0001493152-26-043859-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891532/000149315226043859/form8-ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-043859
- JSON: https://secwatch.observer/filing/0001493152-26-043859.json
- Plain text: https://secwatch.observer/filing/0001493152-26-043859.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.